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參數(shù)資料
| 型號： | AS1324-BTTT-AD |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 600mA Buck Converter; Package Type: TSOT23-5; Output Range: 0.6V to Vin |
| 封裝： | TSOT23-5 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 970K |
| 代理商： | AS1324-BTTT-AD |
AS1324
1.5MHz, 600mA, DC/DC Step-Down Regulator
wwwaustriamcrosystems.com/DC-DC_Step-Down/AS1324
Revision 1.05
1 - 20
Datasheet
1 General Description
The AS1324 is a high-efficiency, constant-frequency synchronous
buck converter available in adjustable- and fixed-voltage versions.
The wide input voltage range (2.7V to 5.5V), automatic powersave
mode and mnimal external component requirements make the
AS1324 perfect for any single Li-Ion battery-powered application.
Typical supply current with no load is 30μA and decreases to
≤
1μA
in shutdown mode.
The AS1324 is available as the standard versions listed in
Table 1
.
An internal synchronous switch increases efficiency and elimnates
the need for an external Schottky diode. The internally fixed
switching frequency (1.5MHz) allows for the use of small surface
mount external components.
Very low output voltages can be delivered with the internal 0.6V
feedback reference voltage.
The AS1324 is available in a 5-pin TSOT-23 package.
Figure 1. Typical Application Diagram– High Efficiency Step
Down Converter
2 Key Features
!
High Efficiency: Up to 96%
!
Output Current: 600mA
!
Input Voltage Range: 2.7V to 5.5V
!
Constant Frequency Operation: 1.5MHz
!
Variable- and Fixed-Output Voltages
!
No Schottky Diode Required
!
Automatic Powersave Operation
!
Low Quiescent Current: 30μA
!
Internal Reference: 0.6V
!
Shutdown Mode Supply Current:
≤
1μA
!
Thermal Protection
!
5-pin TSOT-23 Package
3 Applications
The device is ideal for mobile communication devices, laptops and
PDAs, ultra-low-power systems, threshold detectors/discrimnators,
telemetry and remote systems, medical instruments, or any other
space-limted application with low power-consumption requirements.
Table 1. Standard Versions
Model
Output Voltage
AS1324-AD
Adjustable via External Resistors
AS1324-12
Fixed: 1.2V
AS1324-15
Fixed: 1.5V
AS1324-18
Fixed: 1.8V
AS1324-18
C
OUT
10μF
C
IN
10μF
GND
2
V
IN
= 2.7V to 5.5V
V
OUT
= 1.8V, 600mA
4.7μH
1
EN
5
VOUT
4
VIN
3
SW
5 V
OUT
AS1324-18
4 V
IN
2
GND
3
SW
1
EN
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS1324-BTTT-12 | 600mA Buck Converter; Package Type: TSOT23-5; Output Range: 1.2V |
| AS1324-BTTT-15 | 600mA Buck Converter; Package Type: TSOT23-5; Output Range: 1.5V |
| AS1324-BTTT-18 | 600mA Buck Converter; Package Type: TSOT23-5; Output Range: 1.8V |
| AS1326A-BTDT | Adj. 650mA, 1MHz, Boost |
| AS1326B-BTDT | Adj. 650mA, 1MHz, Boost; Package Type: TDFN(3x3)-10; Miscellaneous: Logic-High On |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS1324-TT-AD_EK_ST | 功能描述:AS1324-AD - DC/DC, Step Down 1, Non-Isolated Outputs Evaluation Board 制造商:ams 系列:- 零件狀態(tài):有效 主要用途:DC/DC，步降 輸出和類型:1，非隔離 功率 - 輸出:- 電壓 - 輸出:1.8V 電流 - 輸出:600mA 電壓 - 輸入:2.7 V ~ 5.5 V 穩(wěn)壓器拓?fù)?降壓 頻率 - 開關(guān):1.5MHz 板類型:完全填充 所含物品:板 使用的 IC/零件:AS1324-AD 標(biāo)準(zhǔn)包裝:1 |
| AS1325 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:300mA Step-Up DC-DC Converter |
| AS1325-33 EB | 功能描述:BOARD EVAL AS1325-33 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - DC/DC 與 AC/DC（離線）SMPS 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
| AS1325-33-EB | 制造商:ams 功能描述:AS1325-33 Evaluation Board |
| AS1325-33-T | 制造商:ams 功能描述:300/185mA step-up DC-DC converter with a fixed output voltage of +3.3V/5.0V, (T/R) |
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